From 208386cf60832806ea7a033fe17846a7510b8d53 Mon Sep 17 00:00:00 2001
From: Xingzhimeng <3408335915@qq.com>
Date: Wed, 15 Apr 2026 22:02:06 +0800
Subject: [PATCH] w6

---
 w6/Animal.class     | Bin 0 -> 206 bytes
 w6/Animal.java      |   5 +++++
 w6/AnimalTest.class | Bin 0 -> 727 bytes
 w6/AnimalTest.java  |  25 +++++++++++++++++++++++++
 w6/Cat.class        | Bin 0 -> 380 bytes
 w6/Cat.java         |   8 ++++++++
 w6/Dog.java         |  14 ++++++++++++++
 w6/Swimmable.java   |   5 +++++
 8 files changed, 57 insertions(+)
 create mode 100644 w6/Animal.class
 create mode 100644 w6/Animal.java
 create mode 100644 w6/AnimalTest.class
 create mode 100644 w6/AnimalTest.java
 create mode 100644 w6/Cat.class
 create mode 100644 w6/Cat.java
 create mode 100644 w6/Dog.java
 create mode 100644 w6/Swimmable.java

diff --git a/w6/Animal.class b/w6/Animal.class
new file mode 100644
index 0000000000000000000000000000000000000000..6d2fbb75d0d290539a8e7f7d550a26623030d381
GIT binary patch
literal 206
zcmXAiJr06E5QX2s0s{VBz`{-~q_i<6#>C2Kp|M|JV-{ga2zW0m6AKUEp^Sr0@!rfg
zlX>sY^95jmegGSxhpvYn!Ch*j>lMMCOwR<dDN{ul?6gt)rifK_l5x(&FXUAn%f_UH
zfW1o8R=10AZFC{?c_weN3jv3J{t;o=!YG&K5*^}9CAApC;`FvGa2gy|m!}asu{*N|
W=*|tnV|9Pf5`+$)w$x{}5PSh_+$4?w

literal 0
HcmV?d00001

diff --git a/w6/Animal.java b/w6/Animal.java
new file mode 100644
index 0000000..64adb08
--- /dev/null
+++ b/w6/Animal.java
@@ -0,0 +1,5 @@
+// 抽象类：动物，定义所有动物的通用行为
+public abstract class Animal {
+    // 抽象方法：发出声音，没有方法体，由子类实现
+    public abstract void makeSound();
+}
\ No newline at end of file
diff --git a/w6/AnimalTest.class b/w6/AnimalTest.class
new file mode 100644
index 0000000000000000000000000000000000000000..b56c061a5e324f8b80d1eb234a3cf668b474704c
GIT binary patch
literal 727
zcmZuvO-~b16g_WfJMDC63)+GOwBT2vg(@*I0c%1qCX#|AB__tzv`m_T&XlxMjcZq;
z#+3_kW8y}`!Ve-;QKMUb2QB;wjpwzChQ!ItyC3h|d(S&>e*gXY1He^GYX~E*Vn~A`
z?XU(9;sK1{v>#_QBrvLB0AqffRdFteAkO=7LB&NCNdezA%dy<+0zJv`I|82h%Bm?4
z&RLGRRJRLeb;T%@neo_$<p{)*_i}5-eIrvgoKhz5RxPJAD+_z`u2EcHG&b6J72^V0
zzEZCi&6}3256?N4ZIoBcnmZ*M=!l??Q*TsCT;~l}#e|L&(gN{pHk)W}zCC>WuK9es
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SL-~Ul6$5-j<T=>xc<LXLT&4^F

literal 0
HcmV?d00001

diff --git a/w6/AnimalTest.java b/w6/AnimalTest.java
new file mode 100644
index 0000000..57a543f
--- /dev/null
+++ b/w6/AnimalTest.java
@@ -0,0 +1,25 @@
+// 测试类：主程序入口，测试多态调用
+public class AnimalTest {
+    public static void main(String[] args) {
+        // 多态：父类引用指向子类对象
+        Animal dog = new Dog();
+        Animal cat = new Cat();
+
+        // 1. 测试动物叫声的多态调用
+        System.out.println("=== 动物叫声测试 ===");
+        dog.makeSound(); // 执行Dog类的makeSound()
+        cat.makeSound(); // 执行Cat类的makeSound()
+
+        // 2. 测试游泳能力（只有Dog实现了Swimmable）
+        System.out.println("\n=== 游泳能力测试 ===");
+        // 判断dog是否实现了Swimmable接口，避免转型异常
+        if (dog instanceof Swimmable) {
+            Swimmable swimmableDog = (Swimmable) dog;
+            swimmableDog.swim(); // 执行Dog类的swim()
+        }
+        // Cat没有实现接口，无法调用swim()
+        if (!(cat instanceof Swimmable)) {
+            System.out.println("猫不会游泳");
+        }
+    }
+}
\ No newline at end of file
diff --git a/w6/Cat.class b/w6/Cat.class
new file mode 100644
index 0000000000000000000000000000000000000000..ba40056ee3439f56a98e71dfb6356203c2385324
GIT binary patch
literal 380
zcmZvY&q~8U5XQev+iVh}t*!OH2M<E)p*eb}2vYD=M2PghwM$t|HWD|27azm-sGx!e
zAHetUHN@Ej^y0GY%zpFxW|sZ@e*XY)gxvrxR(v$k@~|49jSj~eN0-4pR$7@8hFY&b
zVW^L?nPg~=m6qp4I+gjQm?ot7sko7GR_GZ+Krz3PXUZ15kuZa6aW6t}cpU2?Hn2(1
z*V9Y2A33%{Y-5Lp5KJ>qwMs?8(6YWL5qciQ4|hhUL}UdK-Emn_S#*&rZDNy4kq#L;
z|Husd)<TIUU#~J&Ee*-@VSj>sH0T5DazHpdI(@qBQDhVwhi_mDO6b{ix}|8*rC;=*
av;zJ!oObOM^*=nIk~MkMnIWXy!SWCB@JiDF

literal 0
HcmV?d00001

diff --git a/w6/Cat.java b/w6/Cat.java
new file mode 100644
index 0000000..30c87e1
--- /dev/null
+++ b/w6/Cat.java
@@ -0,0 +1,8 @@
+// 猫类：仅继承动物抽象类，不实现游泳接口
+public class Cat extends Animal {
+    // 重写抽象方法：猫的叫声
+    @Override
+    public void makeSound() {
+        System.out.println("喵喵喵~");
+    }
+}
diff --git a/w6/Dog.java b/w6/Dog.java
new file mode 100644
index 0000000..99aaf68
--- /dev/null
+++ b/w6/Dog.java
@@ -0,0 +1,14 @@
+// 狗类：继承动物抽象类，同时实现游泳接口
+public class Dog extends Animal implements Swimmable {
+    // 重写抽象方法：狗的叫声
+    @Override
+    public void makeSound() {
+        System.out.println("汪汪汪！");
+    }
+
+    // 实现接口方法：狗会游泳
+    @Override
+    public void swim() {
+        System.out.println("狗刨式游泳");
+    }
+}
\ No newline at end of file
diff --git a/w6/Swimmable.java b/w6/Swimmable.java
new file mode 100644
index 0000000..fea4154
--- /dev/null
+++ b/w6/Swimmable.java
@@ -0,0 +1,5 @@
+// 接口：可游泳的，定义游泳能力
+public interface Swimmable {
+    // 接口方法：游泳，默认public abstract，可省略
+    void swim();
+}